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Credit card generator tool generates visa, mastercard, amex - american express, discovery, jcb online. All generator and validation is designed according to luhn algorithm. The algorithm was developed by German computer specialist Hans Lun in 1954. The Moon algorithm uses a simple checksum calculation rule to verify identification numbers, such as plastic card numbers. The algorithm was invented to identify errors when entering numbers. The algorithm determines the input errors of one wrong digit, as well as almost all the permutations of adjacent digits, except for the permutation 09-90 or the reverse 90-09. The following calculator gives the last digit of the checksum obtained by the Luna algorithm from the specified sequence. A check digit is also calculated, which can be added to the source sequence to get the correct sequence (i.e., a sequence whose checksum ends in 0).
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